Toshiba 23HL85 Service Manual page 38
Lcd color television
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Also See for 23HL85:
- Owner's manual (44 pages) ,
- Circuit diagrams (22 pages) ,
- Specifications (2 pages)
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No Raster on Video Signal
(Video2, S-Video)
Repeat Process A
Pass
Check R248 Level
Video2(High)/S-Video(Low)
Pass
Ref.9/9-1/9-2
Check the input/output
of IC200
Pass
Process B
No Raster of TV(RF) Signal
Check the output of TU100
Check short circuits of
Main B/D
Fail
Ref.10
Check the input/output
of IC300(Comb Filter)
Fail
ITU656 Clock Out :
Ref.9
IC200(VCTI) #83
Y Signal Input :
Ref.9-2
IC200, #62
- 38 -
Fail
Pass
Check short circuits of Main B/D
or Change the defect part
Fail
Y Signal Input :
Ref.9-1
IC200, #68
Y separated output :
Ref.10
IC300(Comb Filter), #96
Check 5V, 33V of
TU100 Re-soldering
or Change the defect
part
S-Video skip this
square box
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